{
  "$type": "site.standard.document",
  "description": "Disclosed are a pneumatic tire having excellent crack resistance and a rubber composition capable of obtaining the tire, containing a rubber component containing a polymer having at least one polar functional group selected from the group consisting of a nitrile group and a pyridyl group; a metal…",
  "path": "/patents/1424182",
  "publishedAt": "2023-09-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Disclosed are a pneumatic tire having excellent crack resistance and a rubber composition capable of obtaining the tire, containing a rubber component containing a polymer having at least one polar functional group selected from the group consisting of a nitrile group and a pyridyl group; a metal compound containing a divalent metal ion in an amount of 7 to 25 parts by mass relative to 100 parts by mass of the rubber component; a filler; and sulfur.",
  "title": "RUBBER COMPOSITION AND PNEUMATIC TIRE"
}